Prior image constrained compressed sensing: Implementation and performance evaluation

PT Lauzier, J Tang, GH Chen - Medical physics, 2012 - Wiley Online Library
Purpose: Prior image constrained compressed sensing (PICCS) is an image reconstruction
framework which incorporates an often available prior image into the compressed sensing …

Improved compressed sensing-based cone-beam CT reconstruction using adaptive prior image constraints

H Lee, L Xing, R Davidi, R Li, J Qian… - Physics in medicine & …, 2012 - iopscience.iop.org
Volumetric cone-beam CT (CBCT) images are acquired repeatedly during a course of
radiation therapy and a natural question to ask is whether CBCT images obtained earlier in …

Time-resolved cardiac interventional cone-beam CT reconstruction from fully truncated projections using the prior image constrained compressed sensing (PICCS) …

PT Lauzier, J Tang, GH Chen - Physics in Medicine & Biology, 2012 - iopscience.iop.org
C-arm cone-beam CT could replace preoperative multi-detector CT scans in the cardiac
interventional setting. However, cardiac gating results in view angle undersampling and the …

Characterization of statistical prior image constrained compressed sensing. I. Applications to time‐resolved contrast‐enhanced CT

PT Lauzier, GH Chen - Medical physics, 2012 - Wiley Online Library
Purpose: Prior image constrained compressed sensing (PICCS) is an image reconstruction
framework that takes advantage of a prior image to improve the image quality of CT …

Evaluation of robustness of maximum likelihood cone-beam CT reconstruction with total variation regularization

D Stsepankou, A Arns, SK Ng… - Physics in Medicine & …, 2012 - iopscience.iop.org
The objective of this paper is to evaluate an iterative maximum likelihood (ML) cone-beam
computed tomography (CBCT) reconstruction with total variation (TV) regularization with …

High-speed compressed sensing reconstruction in dynamic parallel MRI using augmented Lagrangian and parallel processing

Ç Bilen, Y Wang, IW Selesnick - IEEE Journal on Emerging and …, 2012 - ieeexplore.ieee.org
Magnetic resonance imaging (MRI) is one of the fields that the compressed sensing theory is
well utilized to reduce the scan time significantly leading to faster imaging or higher …

Prior image constrained compressed sensing: a quantitative performance evaluation

PT Lauzier, J Tang, GH Chen - Medical Imaging 2012: Physics …, 2012 - spiedigitallibrary.org
The appeal of compressed sensing (CS) in the context of medical imaging is undeniable. In
MRI, it could enable shorter acquisition times while in CT, it has the potential to reduce the …

New consistency theorem of motion contaminated projection data and applications in motion artifacts correction

J Tang, PT Lauzier, Z Qi… - … 2012: Physics of …, 2012 - spiedigitallibrary.org
In recent years, iterative image reconstruction algorithms have received much interest in x-
ray CT imaging. Images reconstructed by the conventional filtered backprojection algorithm …

[PDF][PDF] Temporal resolution and motion artifacts in dual-source cardiac CT and single-source CT with iterative reconstruction

H Schöndube, T Allmendinger… - Proceedings of the …, 2012 - harald-schoendube.de
The temporal resolution (TR) of an image has become an important property in computed
tomography (CT) when examining organs whose motion can not be stopped for the duration …

[PDF][PDF] Compressed Sensing Based Image Restoration Algorithm with Prior Information: Software and Hardware Implementations for Image Guided Therapy.

Y Jian - 2012 - dukespace.lib.duke.edu
Based on the compressed sensing theorem, we present the integrated software and
hardware platform for developing a total-variation based image restoration algorithm by …